Professional Logo Design - Adobe Illustrator cs6 (Neuron)
Here is another logo Designing tutorial,in this spiral spring like shape created from a strip of rectangle has been revolve around a cylinder to form this design.
we start our design from basic rectangle, converted into symbol,and used it to create this logo. we have used Gradient tool, extrude and bevel option, revolve option, etc , . Whole preparation process has been explained step by step.